How to protect marine ecosystems
Protect marine environments: the science and the numbers article A new report from the University of Sydney’s School of Marine and Atmospheric Science shows that, for the first time, we know how marine ecosystems are changing.
The report is part of the National Marine Biological Diversity Council’s (NMBC) “Diverse Communities” project.
It is based on the NMBC’s 2016 Marine Pollution Trends report, which found that “marine pollution is affecting ecosystems around the world, affecting populations and impacts on biodiversity and the marine environment”.
The report, published in Environmental Research Letters, examines how changes in marine ecosystems affect the natural and manmade world.
“It is difficult to estimate the impact of marine pollution on ecosystems,” Dr David Grosvenor, a co-author of the report, said.
“The extent of the problem is probably larger than most people realise.”
“There is an overall decline in the ability of marine ecosystems to adapt to pollution, and it is a problem that is being exacerbated by human activities.”
The NMBC study shows that for the last 50 years, global marine pollution has significantly reduced the amount of oxygen in the ocean.
This has had an impact on the health of marine life, including on the fish that live in the oceans.
The study also shows that there is a significant amount of pollution in the marine ecosystem.
“Our research shows that it’s a huge problem, with global marine populations being impacted by the pollution, but there is an even bigger impact for the animals,” Dr Groswald said.
He said it is not clear why pollution has increased over the past 50 years.
“There are a number of factors, including the increasing number of human activities,” he said.
Dr Grosberg said while there is no simple answer, he thinks there are two likely reasons.
“One is that pollution affects marine life differently than the animals themselves,” he explained.
“What we are seeing now is the effect of pollution on the animals directly and indirectly.”
The second is that humans are also affecting marine ecosystems indirectly, which is a much bigger problem.
“We have known for decades that humans and marine organisms have an important impact on marine ecosystems,” he noted.
The NMbc study looked at changes in pollution levels in the Pacific, Atlantic and Indian Oceans, which together account for about 40 per cent of the world’s marine resources.
“Changes in pollution are a major threat to marine ecosystems, but the effects of pollution are also huge and changing all the time,” Dr Greg MacKenzie, an NMBC Research Fellow, said in a press release.
“These trends are likely to continue, even as the ocean absorbs pollution, in spite of significant efforts to reduce the level of pollution.”
Many ocean ecosystems, from coral reefs to marine grasslands to oceanic kelp forests, are facing challenges related to pollution.
“Dr MacKenny said the report highlights how important it is to continue to work together to protect our marine environments and ensure we are protecting our environment facts.
The findings are based on data from the NMBS study and the Global Marine Pollutants Assessment Programme (GMTAP).
Dr Mackenny said while the study was done in the US, the results are broadly applicable across the globe.”
When it comes to the effects on marine life in the world as a whole, the impacts on marine organisms are significant,” he added.
The results from the study were based on marine surveys carried out by the NMBOC, the US Geological Survey, the National Oceanic and Atmospheric Administration (NOAA), the Marine Mammal Commission (MMCC), and the U.S. Environmental Protection Agency.